hmaritza149 hmaritza149

18-03-2019
Chemistry

contestada

A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 16.0 mL of KOH.

Respuesta :

yousifmona44 yousifmona44

18-03-2019

moles HBr = 0.0500 L x 0.15 M=0.0075

moles KOH = 0.0160 L x 0.25 M=0.0040

moles H+ in excess = 0.0075 - 0.0040= 0.0035

total volume = 0.070 L

[H+]= 0.0035/0.070=0.050 M

pH =1.55

Answer Link

Otras preguntas

A line passes through the point with coordinates (0,8) and (3.-1). Which best describes the slope of the line?

How did hitler and the nazi party silence its opposition

Do you agree that everyone respects and follows a hero? explain.

What is the GCF of 14 and 49

In commercial food manufacturing, hydrogenation is used to

Which is an example of conduction? Soup is warmed in a microwave A hand is burned when touching a pot handle Air above an ocean warms up and rises A stone ge

An object starts at position 12 on a horizontal line with a reference point of 0. What is the position of the object if it moves 14 units to the left? A. –26 B.

For the following measurements , 27.5 x 0.125 x 13= 44.6875 , choose the answer that is rounded to the correct number of significant figures. A-40 B-45 C-44.7 D

explain how a leaf is involved in the manufacture of carbohydrates

What central american country doesn't have a port in the caribbean?